[totem-pl-parser] build: Prefer GMime 3.0 instead of GMime 2.6

[Bastien Nocera <hadess src gnome org>]

commit cb34f1e0f1b411660b722cd46093b2ba2e06d5a5
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Thu Apr 13 10:59:28 2017 +0100

    build: Prefer GMime 3.0 instead of GMime 2.6
    
    https://bugzilla.gnome.org/show_bug.cgi?id=781254

 configure.ac |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 3ba841f..f9fd4a5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -85,14 +85,14 @@ AC_ARG_ENABLE(gmime-i-know-what-im-doing,
 if test "x$enable_gmime" = "xyes" ; then
    have_gmime3=no
    PKG_CHECK_MODULES(GMIME,
-                     gmime-2.6,
-                     [have_gmime=yes GMIME=gmime-2.6],
+                     gmime-3.0,
+                     [have_gmime=yes have_gmime3=yes GMIME=gmime-3.0],
                      [have_gmime=no])
 
    if test "x$have_gmime" = "xno" ; then
        PKG_CHECK_MODULES(GMIME,
-                         gmime-3.0,
-                         [have_gmime=yes have_gmime3=yes GMIME=gmime-3.0],
+                         gmime-2.6,
+                         [have_gmime=yes GMIME=gmime-2.6],
                          [have_gmime=no])
    fi